Any age Antenatal and newborns (cf Chap. 5) Postmenarchal period • Adnexal torsion • Infection of the pelvis • Hydrocolpos • Hematocoplpos • Torsion or hemorrhage of an ovarian cyst…

Fig. 27.1 A 2-year-old girl presenting with abdominal pain and low hemoglobin levels. (a) US shows a solid intrarenal tumor. The tumor has invade the renal pseudo-capsule locally (white arrow)…

Fig. 18.1 Pelvic wall thickening (arrowhead) Fig. 18.2 Nephritis. Axial sonogram (a) demonstrates pelvic wall thickening, increased peripelvic fat thickening, and a focal nephritis: area of increased echogenicity (white arrowheads)…

Fig. 14.1 Uncomplicated ascites (Case of Henoch–Schonlein Purpura). An echo-free fluid collection surrounds a bowel loop Ascites can be encountered in or can be a sign of many different diseases…

Causes of gallstones in childhood • Hemolytic anemia • Infection • Dehydration • Cirrhosis • Cystic fibrosis • Wilson’s disease • Crohn’s disease and ileal resection • Parenteral nutrition •…

Fig. 6.1 Normal kidney Sagittal scan – Note the obvious Cortico-medullary differentiation 6.2.1 RF from Antenatal Origin As mentioned, in the newborn, renal failure may have a prenatal onset in…

Fig. 20.1 Worsening UPJ obstruction. (a) US at birth: transverse scan of the dilated renal pelvis measuring 20 mm. (b) US at day 20: transverse scan; the dilatation has increased…

Fig. 25.1 Four year old girl, Pedestrian hit by a car. (a) US transverse scan: pneumoperitoneum above the liver (white arrow). (b) CT with contrast: pneumoperitoneum confirmed (black arrow). Left…

Fig. 7.1 Esophageal stenosis: esophageal opacification showing a stenosis (arrowhead) in the middle portion of the esophagus Clinically, a congenital stenosis may go unrecognized up to the introduction of solid…

Fig. 4.1 NEC—Various stages on plain abdominal radiograph. (a) Stage 1. Plain radiograph of the abdomen showing distended bowel loops. The distance between some bowel loops is increased suggesting bowel…